Survey on how many people know how to play chess that are not on chess.com

I want to take a survey to see how many people that are not on chess.com know how to play chess. If the person can play a full game with you and does not just moves pieces idiotically put them down. Just post a number of people, I do not want any names. For example, !0. After a 4 week period (28 days) I will tally those numbers up with the amount on chess.com. and post the number to this blog. Thanks!